our responsibility is to defend and protect the united states of america. and using the operations that we have, using the syst have, using the weapons that we have, is absolutely essential to our ability to defend americans. that's what counts. and that's what we're doing. >> let's turn now to iran, our diplomats were in baghdad this week, trying to convince iran to stop its suspected nuclear weapons program. we recently saw an iranian diplomat seemingly bragging to "new york times" about outnegotiating us. are they not just running out the clock? and are these negotiations, once a month, enough?begin with the a >> we begin with the fundamental premise here, and the fundamental premise is, neither the united states or the international community is going to allow iran to develop a nuclear weapon. we'll do everything we can to prevent them from developing a nuclear weapon. international community has been unified. we put very tough sanctions on them as a result of that, an wer are, you know, we are prepared for any contingency in that part of the world but